55356560553 has 24 divisors (see below), whose sum is σ = 89026154688. Its totient is φ = 29967457248.

The previous prime is 55356560513. The next prime is 55356560569. The reversal of 55356560553 is 35506565355.

It is not a de Polignac number, because 55356560553 - 2¹² = 55356556457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55356560513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3643426 + ... + 3658587.

It is an arithmetic number, because the mean of its divisors is an integer number (3709423112).

Almost surely, 2^55356560553 is an apocalyptic number.

It is an amenable number.

55356560553 is a deficient number, since it is larger than the sum of its proper divisors (33669594135).

55356560553 is a wasteful number, since it uses less digits than its factorization.

55356560553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7302061 (or 7302042 counting only the distinct ones).

The product of its (nonzero) digits is 5062500, while the sum is 48.

The spelling of 55356560553 in words is "fifty-five billion, three hundred fifty-six million, five hundred sixty thousand, five hundred fifty-three".